Used on rlst veh inte;air traffic control landing. two-piece washer; top washer convex spherical radius, while bottom washer matching concave spherical radius oxide surface treated
Used on rlst veh inte;air traffic control landing. 0.523" hole diameter 0.873" outside diameter 0.125" material thickness zinc or cadmium surface treated split helical-right hand
Used on rlst veh inte;air traffic control landing. 0.393" hole diameter 0.683" outside diameter 0.094" material thickness zinc or cadmium surface treated split helical-right hand
Used on rlst veh inte;air traffic control landing. 0.263" hole diameter 0.489" outside diameter 0.062" material thickness zinc or cadmium surface treated split helical-right hand